1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
4  * Scott McNutt <smcnutt@psyent.com>
5  */
6 
7 #include <common.h>
8 #include <hang.h>
9 #include <asm/ptrace.h>
10 
trap_handler(struct pt_regs * regs)11 void trap_handler (struct pt_regs *regs)
12 {
13 	/* Just issue warning */
14 	printf ("\n\n*** WARNING: unimplemented trap @ %08x\n\n",
15 			regs->reg[29] - 4);
16 }
17 
soft_emulation(struct pt_regs * regs)18 void soft_emulation (struct pt_regs *regs)
19 {
20 	/* TODO: Software emulation of mul/div etc. Until this is
21 	 * implemented, generate warning and hang.
22 	 */
23 	printf ("\n\n*** ERROR: unimplemented instruction @ %08x\n",
24 			regs->reg[29] - 4);
25 	hang();
26 }
27